Where: Brewster County, Texas (30.2° N, 103.3° W)

• Paleocoordinates: 14.7° S, 132.3° W (Wright 2013)

When: Dicellograptus gravis graptolite zone, Maravillas Formation, Eastonian (452.3 - 449.0 Ma)

• Overlies Woods Hollow Shale. Authors describe stratigraphy in terms of Australian scale. Amorphognafhus ordovicicus conodont zone.

• bed-level stratigraphic resolution

Environment/lithology: marine; shale

Size class: macrofossils

Preservation: cast

Primary reference: D. M. Goldman, S. M. Bergström, and C. E. Mitchell. 1995. Revision of the Zone 13 graptolite biostratigraphy in the Marathon, Texas, standard succession and its bearing on Upper Ordovician graptolite biogeography. Lethaia 28:115-128 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 184416: authorized by Pete Wagner, entered by Pete Wagner on 24.02.2017

Creative Commons license: CC0 (CC0)